META Conference, META'12

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Strong coupling of the cyclotron transition of a 2DEG in a THz metamaterial
Giacomo Scalari, Curdin Maissen, Dana Turcinkova, David Hagenmüller, Simone De Liberato, Cristiano Ciuti, Christian Reichl, Dieter Schuh, Werner Wegscheider, Mattias Beck, Jerome Faist

Last modified: 2011-12-05


We report here experiments showing ultrastrong light-matter coupling in a terahertz (THz) metamaterial where the magnetic cyclotron transition of a high mobility two-dimensional electron gas (2DEG) is coupled to the photonic modes of an array of electronic split-ring resonators. We observe a normalized coupling ratio Ω/ ωc = 0.36 between the vacuum Rabi frequency Ω and the cyclotron frequency ωc.